Dumbbell One Arm Seated Hammer Curl

Sit on a bench with your feet flat on the ground and hold a dumbbell in one hand. Keep your palm facing inward and elbow close to your body. Curl the dumbbell towards your shoulder, focusing on contracting your biceps. Slowly lower the dumbbell back down. Repeat with the other hand.

How to perform the Dumbbell One Arm Seated Hammer Curl

  1. Set up. Set up in a stable, balanced starting position appropriate for the Dumbbell One Arm Seated Hammer Curl using your dumbbell.
  2. Brace and execute. Brace your core, control the descent, and move through a full pain-free range of motion while emphasizing your biceps.
  3. Reset. Reverse the movement under control and reset between repetitions, keeping your form crisp on every rep.

Coaching cues

  • Move with intent — every rep should feel deliberate, not rushed.
  • Drive force through your biceps rather than momentum.
  • Keep your breathing steady: exhale on the hard part, inhale on the reset.

Common mistakes

  • Using too much weight and losing positional control.
  • Cutting the range of motion short and missing the target muscle.
  • Letting your spine round or hyperextend instead of staying neutral.

Detailed cues, common mistakes, and demonstration video are available in the Fitly app.

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